Exercising More Might Just Fatten Your Wallet

New research shows that working up a sweat could benefit your bottom and your bottom line.

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After studying the effects of exercise on more than 2,500 pairs of twins, Finnish researchers found that the individuals who worked out regularly earned more money than their sedentary sibs. One possible reason for this: "Physically active people may also be more persistent; they persevere in the face of work-related tasks and hurdles," says study coauthor Ari Hyytinen, Ph.D. It can "increase their desire to partake in competitive situations," according to the study.

Those are the qualities that also help you nab a corner office — and the fat paycheck that comes with it. To make sure you fit in your sweat session, exercise in the morning, before you hit your desk. Studies show that working out in the a.m. boosts your metabolism, helps you feel more mentally alert all day, and makes it easier to achieve long-term fitness and weight loss results.